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Finding the Fourth Proportional to 67,152.99, 92,672.70 and 36,939.99

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Solution

The fourth proportional to 67,152.99, 92,672.70 and 36,939.99 is: 50,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,152.99 : 92,672.70 = 36,939.99 : x
  2. Step 2: Convert to fraction form
    67,152.99/92,672.70 = 36,939.99/x
  3. Step 3: Cross multiply
    67,152.99x = 92,672.70 × 36,939.99
  4. Step 4: Simplify right side
    67,152.99x = 3,423,328,611.27
  5. Step 5: Solve for x
    x = 3,423,328,611.27/67,152.99
  6. Step 6: Final answer
    x = 50,978.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.